Answer: Live preview
Explanation:
The live preview feature enables to display the current slide with the design theme formatting applied with the mouse pointer. This feature is also available in digital cameras where the screen can be used as viewfinder.
Answer:
Survey data are collected by using all of these methods except Field Research.
Explanation:
In field research data has been gathered from different experiments, qualitative analysis and observations of any event.
On the other hand, survey data can be collected from Following:
<u>structured interview</u><u>:</u>
where data can be gathered by interviews and analyzed it on quantitative basis.
<u>Face to face questionnaires:</u>
Data has been collected by asking questions directly from users in the form of interview.
<u>self-administered questionnaires</u>
In this research, questionnaire has been designed to asked question related to some topic without conducting interview.
Answer:
The trigger code is given below
create trigger F1_Del
after delete on Friend
for each row
when exists (select * from Friend
where ID1 = Old.ID2 and ID2 = Old.ID1)
begin
delete from Friend
where (ID1 = Old.ID2 and ID2 = Old.ID1);
end
create trigger F1_Insert
after insert on Friend
for each row
when not exists (select * from Friend
where ID1 = New.ID2 and ID2 = New.ID1)
begin
insert into Friend values (New.ID2, New.ID1);
end
Answer:
overwatch and dead by daylight
